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Finding the Fourth Proportional to 15,908.76, 23,846.52 and 5,375.13

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Solution

The fourth proportional to 15,908.76, 23,846.52 and 5,375.13 is: 8,057.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,908.76 : 23,846.52 = 5,375.13 : x
  2. Step 2: Convert to fraction form
    15,908.76/23,846.52 = 5,375.13/x
  3. Step 3: Cross multiply
    15,908.76x = 23,846.52 × 5,375.13
  4. Step 4: Simplify right side
    15,908.76x = 128,178,145.05
  5. Step 5: Solve for x
    x = 128,178,145.05/15,908.76
  6. Step 6: Final answer
    x = 8,057.08

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.